用于防止疟疾复发和传播的抗疟药（） A.盐酸左旋咪唑 B.阿苯达_爱下问搜题

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问题单项选择题 B型题

用于防止疟疾复发和传播的抗疟药（）

A.盐酸左旋咪唑

B.阿苯达唑

C.磷酸伯氨喹

D.乙胺嘧啶

E.磷酸氯喹

答案

参考答案：C

解析：盐酸左旋咪唑为广谱驱虫药亦具有免疫调节作用，可使细胞免疫较低者得到恢复；乙胺嘧啶为二氢叶酸还原酶抑制剂，使核酸合成减少，本品主要用于预防疟疾；磷酸伯氨喹可杀灭各型疟原虫的配子体，因此具有阻断疟疾的传播作用。

完形填空

Do you like travelling? Today, I’ll give you some about travelling. You should have a good night’s sleep you travel. If you don’t, you will feel tired he way. You should take some with you. It may be helpful when you feel sick. You should have a meal before travelling. If you eat anything, you’ll feel hungry. And the food on the train is much more .You should listen to the weather report earlier, so you can a good plan for your travel. You’d better take a(n) with you. It can keep off the sun and the rain. You should your right clothes when you prepare your luggage(行李). If you’re going from a hot place to a cold place, you have to some warm clothes. You should drink enough water. Don’t wait to be . You’d better take some water you can have a drink when you want to drink. You should write down all the travel : departure(出发) and arrival time, bus or train number, your parents’ names , address and phone number and so on. You should take a . You can take lots of photos when you see beautiful scenery. When you come back, you can show the pictures to your friends. Above all, yourself when you are travelling. But please look after yourself and your things carefully.

A．in order to

C．information

选择题

下列说法正确的是（　　）

A．近似数0.203有两个有效数字

B．15的算术平方根比4大

C．多项式a-ab分解因式是a（1-b）

的图象在第一、三象限